Mercurial > hg > octave-kai > gnulib-hg

annotate lib/fsusage.c @ 1202:c9448dd2fd94

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
(get_fs_usage): Add parens.
author Jim Meyering <jim@meyering.net>
date Mon, 05 Jan 1998 17:38:38 +0000
parents 5f2881266806
children e7fef68c6d85
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
5
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
1 /* fsusage.c -- return space usage of mounted filesystems
1201
5f2881266806 (PROPAGATE_ALL_ONES): New macro.
Jim Meyering <jim@meyering.net>
parents: 1135
diff changeset
2 Copyright (C) 1991, 1992, 1996, 1998 Free Software Foundation, Inc.
5
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
3
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
4 This program is free software; you can redistribute it and/or modify
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
5 it under the terms of the GNU General Public License as published by
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
6 the Free Software Foundation; either version 2, or (at your option)
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
7 any later version.
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
8
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
9 This program is distributed in the hope that it will be useful,
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
12 GNU General Public License for more details.
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
13
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
14 You should have received a copy of the GNU General Public License
650
b4ef1c1a0171 update FSF address in copyright
Jim Meyering <jim@meyering.net>
parents: 618
diff changeset
15 along with this program; if not, write to the Free Software Foundation,
b4ef1c1a0171 update FSF address in copyright
Jim Meyering <jim@meyering.net>
parents: 618
diff changeset
16 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
5
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
17
774
2158edf8414e cpp-indent + change some #ifdef to #if
Jim Meyering <jim@meyering.net>
parents: 670
diff changeset
18 #if HAVE_CONFIG_H
2158edf8414e cpp-indent + change some #ifdef to #if
Jim Meyering <jim@meyering.net>
parents: 670
diff changeset
19 # include <config.h>
105
12f81400139d merge with 3.8.3b
Jim Meyering <jim@meyering.net>
parents: 104
diff changeset
20 #endif
12f81400139d merge with 3.8.3b
Jim Meyering <jim@meyering.net>
parents: 104
diff changeset
21
1135
5306f6a320de Do all calculations using uintmax_t.
Jim Meyering <jim@meyering.net>
parents: 793
diff changeset
22 #if HAVE_INTTYPES_H
5306f6a320de Do all calculations using uintmax_t.
Jim Meyering <jim@meyering.net>
parents: 793
diff changeset
23 # include <inttypes.h>
5306f6a320de Do all calculations using uintmax_t.
Jim Meyering <jim@meyering.net>
parents: 793
diff changeset
24 #endif
5
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
25 #include <sys/types.h>
338
815155102500 merge with 3.9s
Jim Meyering <jim@meyering.net>
parents: 325
diff changeset
26 #include <sys/stat.h>
5
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
27 #include "fsusage.h"
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
28
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
29 int statfs ();
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
30
774
2158edf8414e cpp-indent + change some #ifdef to #if
Jim Meyering <jim@meyering.net>
parents: 670
diff changeset
31 #if HAVE_SYS_PARAM_H
2158edf8414e cpp-indent + change some #ifdef to #if
Jim Meyering <jim@meyering.net>
parents: 670
diff changeset
32 # include <sys/param.h>
76
7031c61568a0 merge with 3.4.7
Jim Meyering <jim@meyering.net>
parents: 40
diff changeset
33 #endif
7031c61568a0 merge with 3.4.7
Jim Meyering <jim@meyering.net>
parents: 40
diff changeset
34
774
2158edf8414e cpp-indent + change some #ifdef to #if
Jim Meyering <jim@meyering.net>
parents: 670
diff changeset
35 #if HAVE_SYS_MOUNT_H
2158edf8414e cpp-indent + change some #ifdef to #if
Jim Meyering <jim@meyering.net>
parents: 670
diff changeset
36 # include <sys/mount.h>
5
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
37 #endif
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
38
774
2158edf8414e cpp-indent + change some #ifdef to #if
Jim Meyering <jim@meyering.net>
parents: 670
diff changeset
39 #if HAVE_SYS_VFS_H
2158edf8414e cpp-indent + change some #ifdef to #if
Jim Meyering <jim@meyering.net>
parents: 670
diff changeset
40 # include <sys/vfs.h>
5
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
41 #endif
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
42
780
4361996c2116 libitize
Jim Meyering <jim@meyering.net>
parents: 774
diff changeset
43 #if HAVE_SYS_FS_S5PARAM_H /* Fujitsu UXP/V */
774
2158edf8414e cpp-indent + change some #ifdef to #if
Jim Meyering <jim@meyering.net>
parents: 670
diff changeset
44 # include <sys/fs/s5param.h>
669
20030d56c4ac [HAVE_SYS_FS_S5PARAM_H]: Include sys/fs/s5param.h
Jim Meyering <jim@meyering.net>
parents: 650
diff changeset
45 #endif
20030d56c4ac [HAVE_SYS_FS_S5PARAM_H]: Include sys/fs/s5param.h
Jim Meyering <jim@meyering.net>
parents: 650
diff changeset
46
780
4361996c2116 libitize
Jim Meyering <jim@meyering.net>
parents: 774
diff changeset
47 #if defined (HAVE_SYS_FILSYS_H) && !defined (_CRAY)
4361996c2116 libitize
Jim Meyering <jim@meyering.net>
parents: 774
diff changeset
48 # include <sys/filsys.h> /* SVR2 */
323
Jim Meyering <jim@meyering.net>
parents: 316
diff changeset
49 #endif
Jim Meyering <jim@meyering.net>
parents: 316
diff changeset
50
774
2158edf8414e cpp-indent + change some #ifdef to #if
Jim Meyering <jim@meyering.net>
parents: 670
diff changeset
51 #if HAVE_FCNTL_H
2158edf8414e cpp-indent + change some #ifdef to #if
Jim Meyering <jim@meyering.net>
parents: 670
diff changeset
52 # include <fcntl.h>
5
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
53 #endif
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
54
774
2158edf8414e cpp-indent + change some #ifdef to #if
Jim Meyering <jim@meyering.net>
parents: 670
diff changeset
55 #if HAVE_SYS_STATFS_H
2158edf8414e cpp-indent + change some #ifdef to #if
Jim Meyering <jim@meyering.net>
parents: 670
diff changeset
56 # include <sys/statfs.h>
5
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
57 #endif
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
58
780
4361996c2116 libitize
Jim Meyering <jim@meyering.net>
parents: 774
diff changeset
59 #if HAVE_DUSTAT_H /* AIX PS/2 */
774
2158edf8414e cpp-indent + change some #ifdef to #if
Jim Meyering <jim@meyering.net>
parents: 670
diff changeset
60 # include <sys/dustat.h>
5
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
61 #endif
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
62
780
4361996c2116 libitize
Jim Meyering <jim@meyering.net>
parents: 774
diff changeset
63 #if HAVE_SYS_STATVFS_H /* SVR4 */
774
2158edf8414e cpp-indent + change some #ifdef to #if
Jim Meyering <jim@meyering.net>
parents: 670
diff changeset
64 # include <sys/statvfs.h>
5
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
65 int statvfs ();
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
66 #endif
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
67
1201
5f2881266806 (PROPAGATE_ALL_ONES): New macro.
Jim Meyering <jim@meyering.net>
parents: 1135
diff changeset
68 /* Many space usage primitives use all 1 bits to denote a value that is
5f2881266806 (PROPAGATE_ALL_ONES): New macro.
Jim Meyering <jim@meyering.net>
parents: 1135
diff changeset
69 not applicable or unknown. Propagate this information by returning
5f2881266806 (PROPAGATE_ALL_ONES): New macro.
Jim Meyering <jim@meyering.net>
parents: 1135
diff changeset
70 a uintmax_t value that is all 1 bits if the argument is all 1 bits,
5f2881266806 (PROPAGATE_ALL_ONES): New macro.
Jim Meyering <jim@meyering.net>
parents: 1135
diff changeset
71 even if the argument is unsigned and smaller than unitmax_t. */
5f2881266806 (PROPAGATE_ALL_ONES): New macro.
Jim Meyering <jim@meyering.net>
parents: 1135
diff changeset
72 #define PROPAGATE_ALL_ONES(x) ((x) == -1 ? (uintmax_t) -1 : (uintmax_t) (x))
5f2881266806 (PROPAGATE_ALL_ONES): New macro.
Jim Meyering <jim@meyering.net>
parents: 1135
diff changeset
73
385
f4cb6bbc01d4 (get_fs_usage, statfs): Use safe_read, and safe_stat rather than
Jim Meyering <jim@meyering.net>
parents: 339
diff changeset
74 int safe_read ();
f4cb6bbc01d4 (get_fs_usage, statfs): Use safe_read, and safe_stat rather than
Jim Meyering <jim@meyering.net>
parents: 339
diff changeset
75
5
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
76 /* Fill in the fields of FSP with information about space usage for
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
77 the filesystem on which PATH resides.
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
78 DISK is the device on which PATH is mounted, for space-getting
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
79 methods that need to know it.
793
d257c9ac0e72 (get_fs_usage): If DISK is 0 and we needed to use
Jim Meyering <jim@meyering.net>
parents: 780
diff changeset
80 Return 0 if successful, -1 if not. When returning -1, ensure that
d257c9ac0e72 (get_fs_usage): If DISK is 0 and we needed to use
Jim Meyering <jim@meyering.net>
parents: 780
diff changeset
81 ERRNO is either a system error value, or zero if DISK is NULL
d257c9ac0e72 (get_fs_usage): If DISK is 0 and we needed to use
Jim Meyering <jim@meyering.net>
parents: 780
diff changeset
82 on a system that requires a non-NULL value. */
5
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
83 int
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
84 get_fs_usage (path, disk, fsp)
612
271429a79a04 (get_fs_usage): Declare parameter PATH to be const.
Jim Meyering <jim@meyering.net>
parents: 491
diff changeset
85 const char *path;
271429a79a04 (get_fs_usage): Declare parameter PATH to be const.
Jim Meyering <jim@meyering.net>
parents: 491
diff changeset
86 const char *disk;
5
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
87 struct fs_usage *fsp;
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
88 {
780
4361996c2116 libitize
Jim Meyering <jim@meyering.net>
parents: 774
diff changeset
89 #ifdef STAT_STATFS3_OSF1
4361996c2116 libitize
Jim Meyering <jim@meyering.net>
parents: 774
diff changeset
90
76
7031c61568a0 merge with 3.4.7
Jim Meyering <jim@meyering.net>
parents: 40
diff changeset
91 struct statfs fsd;
7031c61568a0 merge with 3.4.7
Jim Meyering <jim@meyering.net>
parents: 40
diff changeset
92
7031c61568a0 merge with 3.4.7
Jim Meyering <jim@meyering.net>
parents: 40
diff changeset
93 if (statfs (path, &fsd, sizeof (struct statfs)) != 0)
196
Jim Meyering <jim@meyering.net>
parents: 193
diff changeset
94 return -1;
780
4361996c2116 libitize
Jim Meyering <jim@meyering.net>
parents: 774
diff changeset
95
1201
5f2881266806 (PROPAGATE_ALL_ONES): New macro.
Jim Meyering <jim@meyering.net>
parents: 1135
diff changeset
96 fsp->fsu_blocksize = PROPAGATE_ALL_ONES (fsd.f_fsize);
1135
5306f6a320de Do all calculations using uintmax_t.
Jim Meyering <jim@meyering.net>
parents: 793
diff changeset
97
120
3351d0fb3162 merge with 3.8.3e
Jim Meyering <jim@meyering.net>
parents: 105
diff changeset
98 #endif /* STAT_STATFS3_OSF1 */
76
7031c61568a0 merge with 3.4.7
Jim Meyering <jim@meyering.net>
parents: 40
diff changeset
99
780
4361996c2116 libitize
Jim Meyering <jim@meyering.net>
parents: 774
diff changeset
100 #ifdef STAT_STATFS2_FS_DATA /* Ultrix */
4361996c2116 libitize
Jim Meyering <jim@meyering.net>
parents: 774
diff changeset
101
5
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
102 struct fs_data fsd;
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
103
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
104 if (statfs (path, &fsd) != 1)
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
105 return -1;
1135
5306f6a320de Do all calculations using uintmax_t.
Jim Meyering <jim@meyering.net>
parents: 793
diff changeset
106
5306f6a320de Do all calculations using uintmax_t.
Jim Meyering <jim@meyering.net>
parents: 793
diff changeset
107 fsp->fsu_blocksize = 1024;
1201
5f2881266806 (PROPAGATE_ALL_ONES): New macro.
Jim Meyering <jim@meyering.net>
parents: 1135
diff changeset
108 fsp->fsu_blocks = PROPAGATE_ALL_ONES (fsd.fd_req.btot);
5f2881266806 (PROPAGATE_ALL_ONES): New macro.
Jim Meyering <jim@meyering.net>
parents: 1135
diff changeset
109 fsp->fsu_bfree = PROPAGATE_ALL_ONES (fsd.fd_req.bfree);
5f2881266806 (PROPAGATE_ALL_ONES): New macro.
Jim Meyering <jim@meyering.net>
parents: 1135
diff changeset
110 fsp->fsu_bavail = PROPAGATE_ALL_ONES (fsd.fd_req.bfreen);
5f2881266806 (PROPAGATE_ALL_ONES): New macro.
Jim Meyering <jim@meyering.net>
parents: 1135
diff changeset
111 fsp->fsu_files = PROPAGATE_ALL_ONES (fsd.fd_req.gtot);
5f2881266806 (PROPAGATE_ALL_ONES): New macro.
Jim Meyering <jim@meyering.net>
parents: 1135
diff changeset
112 fsp->fsu_ffree = PROPAGATE_ALL_ONES (fsd.fd_req.gfree);
5
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
113
780
4361996c2116 libitize
Jim Meyering <jim@meyering.net>
parents: 774
diff changeset
114 #endif /* STAT_STATFS2_FS_DATA */
4361996c2116 libitize
Jim Meyering <jim@meyering.net>
parents: 774
diff changeset
115
4361996c2116 libitize
Jim Meyering <jim@meyering.net>
parents: 774
diff changeset
116 #ifdef STAT_READ_FILSYS /* SVR2 */
774
2158edf8414e cpp-indent + change some #ifdef to #if
Jim Meyering <jim@meyering.net>
parents: 670
diff changeset
117 # ifndef SUPERBOFF
2158edf8414e cpp-indent + change some #ifdef to #if
Jim Meyering <jim@meyering.net>
parents: 670
diff changeset
118 # define SUPERBOFF (SUPERB * 512)
2158edf8414e cpp-indent + change some #ifdef to #if
Jim Meyering <jim@meyering.net>
parents: 670
diff changeset
119 # endif
780
4361996c2116 libitize
Jim Meyering <jim@meyering.net>
parents: 774
diff changeset
120
5
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
121 struct filsys fsd;
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
122 int fd;
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
123
793
d257c9ac0e72 (get_fs_usage): If DISK is 0 and we needed to use
Jim Meyering <jim@meyering.net>
parents: 780
diff changeset
124 if (! disk)
d257c9ac0e72 (get_fs_usage): If DISK is 0 and we needed to use
Jim Meyering <jim@meyering.net>
parents: 780
diff changeset
125 {
d257c9ac0e72 (get_fs_usage): If DISK is 0 and we needed to use
Jim Meyering <jim@meyering.net>
parents: 780
diff changeset
126 errno = 0;
d257c9ac0e72 (get_fs_usage): If DISK is 0 and we needed to use
Jim Meyering <jim@meyering.net>
parents: 780
diff changeset
127 return -1;
d257c9ac0e72 (get_fs_usage): If DISK is 0 and we needed to use
Jim Meyering <jim@meyering.net>
parents: 780
diff changeset
128 }
d257c9ac0e72 (get_fs_usage): If DISK is 0 and we needed to use
Jim Meyering <jim@meyering.net>
parents: 780
diff changeset
129
5
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
130 fd = open (disk, O_RDONLY);
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
131 if (fd < 0)
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
132 return -1;
1135
5306f6a320de Do all calculations using uintmax_t.
Jim Meyering <jim@meyering.net>
parents: 793
diff changeset
133 lseek (fd, (off_t) SUPERBOFF, 0);
385
f4cb6bbc01d4 (get_fs_usage, statfs): Use safe_read, and safe_stat rather than
Jim Meyering <jim@meyering.net>
parents: 339
diff changeset
134 if (safe_read (fd, (char *) &fsd, sizeof fsd) != sizeof fsd)
5
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
135 {
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
136 close (fd);
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
137 return -1;
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
138 }
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
139 close (fd);
1135
5306f6a320de Do all calculations using uintmax_t.
Jim Meyering <jim@meyering.net>
parents: 793
diff changeset
140
1202
c9448dd2fd94 (get_fs_usage): Add parens.
Jim Meyering <jim@meyering.net>
parents: 1201
diff changeset
141 fsp->fsu_blocksize = (fsd.s_type == Fs2b ? 1024 : 512);
1201
5f2881266806 (PROPAGATE_ALL_ONES): New macro.
Jim Meyering <jim@meyering.net>
parents: 1135
diff changeset
142 fsp->fsu_blocks = PROPAGATE_ALL_ONES (fsd.s_fsize);
5f2881266806 (PROPAGATE_ALL_ONES): New macro.
Jim Meyering <jim@meyering.net>
parents: 1135
diff changeset
143 fsp->fsu_bfree = PROPAGATE_ALL_ONES (fsd.s_tfree);
5f2881266806 (PROPAGATE_ALL_ONES): New macro.
Jim Meyering <jim@meyering.net>
parents: 1135
diff changeset
144 fsp->fsu_bavail = PROPAGATE_ALL_ONES (fsd.s_tfree);
5f2881266806 (PROPAGATE_ALL_ONES): New macro.
Jim Meyering <jim@meyering.net>
parents: 1135
diff changeset
145 fsp->fsu_files = (fsd.s_isize == -1
5f2881266806 (PROPAGATE_ALL_ONES): New macro.
Jim Meyering <jim@meyering.net>
parents: 1135
diff changeset
146 ? (uintmax_t) -1
5f2881266806 (PROPAGATE_ALL_ONES): New macro.
Jim Meyering <jim@meyering.net>
parents: 1135
diff changeset
147 : (fsd.s_isize - 2) * INOPB * (fsd.s_type == Fs2b ? 2 : 1));
5f2881266806 (PROPAGATE_ALL_ONES): New macro.
Jim Meyering <jim@meyering.net>
parents: 1135
diff changeset
148 fsp->fsu_ffree = PROPAGATE_ALL_ONES (fsd.s_tinode);
780
4361996c2116 libitize
Jim Meyering <jim@meyering.net>
parents: 774
diff changeset
149
4361996c2116 libitize
Jim Meyering <jim@meyering.net>
parents: 774
diff changeset
150 #endif /* STAT_READ_FILSYS */
5
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
151
780
4361996c2116 libitize
Jim Meyering <jim@meyering.net>
parents: 774
diff changeset
152 #ifdef STAT_STATFS2_BSIZE /* 4.3BSD, SunOS 4, HP-UX, AIX */
4361996c2116 libitize
Jim Meyering <jim@meyering.net>
parents: 774
diff changeset
153
5
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
154 struct statfs fsd;
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
155
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
156 if (statfs (path, &fsd) < 0)
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
157 return -1;
488
3b80433a4e28 (get_fs_usage) [STATFS_TRUNCATES_BLOCK_COUNTS]: Copy untruncated block
Jim Meyering <jim@meyering.net>
parents: 439
diff changeset
158
1201
5f2881266806 (PROPAGATE_ALL_ONES): New macro.
Jim Meyering <jim@meyering.net>
parents: 1135
diff changeset
159 fsp->fsu_blocksize = PROPAGATE_ALL_ONES (fsd.f_bsize);
1135
5306f6a320de Do all calculations using uintmax_t.
Jim Meyering <jim@meyering.net>
parents: 793
diff changeset
160
774
2158edf8414e cpp-indent + change some #ifdef to #if
Jim Meyering <jim@meyering.net>
parents: 670
diff changeset
161 # ifdef STATFS_TRUNCATES_BLOCK_COUNTS
780
4361996c2116 libitize
Jim Meyering <jim@meyering.net>
parents: 774
diff changeset
162
488
3b80433a4e28 (get_fs_usage) [STATFS_TRUNCATES_BLOCK_COUNTS]: Copy untruncated block
Jim Meyering <jim@meyering.net>
parents: 439
diff changeset
163 /* In SunOS 4.1.2, 4.1.3, and 4.1.3_U1, the block counts in the
3b80433a4e28 (get_fs_usage) [STATFS_TRUNCATES_BLOCK_COUNTS]: Copy untruncated block
Jim Meyering <jim@meyering.net>
parents: 439
diff changeset
164 struct statfs are truncated to 2GB. These conditions detect that
3b80433a4e28 (get_fs_usage) [STATFS_TRUNCATES_BLOCK_COUNTS]: Copy untruncated block
Jim Meyering <jim@meyering.net>
parents: 439
diff changeset
165 truncation, presumably without botching the 4.1.1 case, in which
3b80433a4e28 (get_fs_usage) [STATFS_TRUNCATES_BLOCK_COUNTS]: Copy untruncated block
Jim Meyering <jim@meyering.net>
parents: 439
diff changeset
166 the values are not truncated. The correct counts are stored in
3b80433a4e28 (get_fs_usage) [STATFS_TRUNCATES_BLOCK_COUNTS]: Copy untruncated block
Jim Meyering <jim@meyering.net>
parents: 439
diff changeset
167 undocumented spare fields. */
3b80433a4e28 (get_fs_usage) [STATFS_TRUNCATES_BLOCK_COUNTS]: Copy untruncated block
Jim Meyering <jim@meyering.net>
parents: 439
diff changeset
168 if (fsd.f_blocks == 0x1fffff && fsd.f_spare[0] > 0)
3b80433a4e28 (get_fs_usage) [STATFS_TRUNCATES_BLOCK_COUNTS]: Copy untruncated block
Jim Meyering <jim@meyering.net>
parents: 439
diff changeset
169 {
3b80433a4e28 (get_fs_usage) [STATFS_TRUNCATES_BLOCK_COUNTS]: Copy untruncated block
Jim Meyering <jim@meyering.net>
parents: 439
diff changeset
170 fsd.f_blocks = fsd.f_spare[0];
3b80433a4e28 (get_fs_usage) [STATFS_TRUNCATES_BLOCK_COUNTS]: Copy untruncated block
Jim Meyering <jim@meyering.net>
parents: 439
diff changeset
171 fsd.f_bfree = fsd.f_spare[1];
3b80433a4e28 (get_fs_usage) [STATFS_TRUNCATES_BLOCK_COUNTS]: Copy untruncated block
Jim Meyering <jim@meyering.net>
parents: 439
diff changeset
172 fsd.f_bavail = fsd.f_spare[2];
3b80433a4e28 (get_fs_usage) [STATFS_TRUNCATES_BLOCK_COUNTS]: Copy untruncated block
Jim Meyering <jim@meyering.net>
parents: 439
diff changeset
173 }
774
2158edf8414e cpp-indent + change some #ifdef to #if
Jim Meyering <jim@meyering.net>
parents: 670
diff changeset
174 # endif /* STATFS_TRUNCATES_BLOCK_COUNTS */
488
3b80433a4e28 (get_fs_usage) [STATFS_TRUNCATES_BLOCK_COUNTS]: Copy untruncated block
Jim Meyering <jim@meyering.net>
parents: 439
diff changeset
175
780
4361996c2116 libitize
Jim Meyering <jim@meyering.net>
parents: 774
diff changeset
176 #endif /* STAT_STATFS2_BSIZE */
5
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
177
780
4361996c2116 libitize
Jim Meyering <jim@meyering.net>
parents: 774
diff changeset
178 #ifdef STAT_STATFS2_FSIZE /* 4.4BSD */
4361996c2116 libitize
Jim Meyering <jim@meyering.net>
parents: 774
diff changeset
179
5
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
180 struct statfs fsd;
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
181
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
182 if (statfs (path, &fsd) < 0)
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
183 return -1;
780
4361996c2116 libitize
Jim Meyering <jim@meyering.net>
parents: 774
diff changeset
184
1201
5f2881266806 (PROPAGATE_ALL_ONES): New macro.
Jim Meyering <jim@meyering.net>
parents: 1135
diff changeset
185 fsp->fsu_blocksize = PROPAGATE_ALL_ONES (fsd.f_fsize);
1135
5306f6a320de Do all calculations using uintmax_t.
Jim Meyering <jim@meyering.net>
parents: 793
diff changeset
186
780
4361996c2116 libitize
Jim Meyering <jim@meyering.net>
parents: 774
diff changeset
187 #endif /* STAT_STATFS2_FSIZE */
5
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
188
780
4361996c2116 libitize
Jim Meyering <jim@meyering.net>
parents: 774
diff changeset
189 #ifdef STAT_STATFS4 /* SVR3, Dynix, Irix, AIX */
1135
5306f6a320de Do all calculations using uintmax_t.
Jim Meyering <jim@meyering.net>
parents: 793
diff changeset
190
5306f6a320de Do all calculations using uintmax_t.
Jim Meyering <jim@meyering.net>
parents: 793
diff changeset
191 # if !_AIX && !defined _SEQUENT_ && !defined DOLPHIN
5306f6a320de Do all calculations using uintmax_t.
Jim Meyering <jim@meyering.net>
parents: 793
diff changeset
192 # define f_bavail f_bfree
780
4361996c2116 libitize
Jim Meyering <jim@meyering.net>
parents: 774
diff changeset
193 # endif
4361996c2116 libitize
Jim Meyering <jim@meyering.net>
parents: 774
diff changeset
194
5
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
195 struct statfs fsd;
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
196
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
197 if (statfs (path, &fsd, sizeof fsd, 0) < 0)
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
198 return -1;
1135
5306f6a320de Do all calculations using uintmax_t.
Jim Meyering <jim@meyering.net>
parents: 793
diff changeset
199
5
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
200 /* Empirically, the block counts on most SVR3 and SVR3-derived
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
201 systems seem to always be in terms of 512-byte blocks,
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
202 no matter what value f_bsize has. */
1135
5306f6a320de Do all calculations using uintmax_t.
Jim Meyering <jim@meyering.net>
parents: 793
diff changeset
203 # if _AIX || defined(_CRAY)
1201
5f2881266806 (PROPAGATE_ALL_ONES): New macro.
Jim Meyering <jim@meyering.net>
parents: 1135
diff changeset
204 fsp->fsu_blocksize = PROPAGATE_ALL_ONES (fsd.f_bsize);
1135
5306f6a320de Do all calculations using uintmax_t.
Jim Meyering <jim@meyering.net>
parents: 793
diff changeset
205 # else
5306f6a320de Do all calculations using uintmax_t.
Jim Meyering <jim@meyering.net>
parents: 793
diff changeset
206 fsp->fsu_blocksize = 512;
5306f6a320de Do all calculations using uintmax_t.
Jim Meyering <jim@meyering.net>
parents: 793
diff changeset
207 # endif
780
4361996c2116 libitize
Jim Meyering <jim@meyering.net>
parents: 774
diff changeset
208
4361996c2116 libitize
Jim Meyering <jim@meyering.net>
parents: 774
diff changeset
209 #endif /* STAT_STATFS4 */
5
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
210
780
4361996c2116 libitize
Jim Meyering <jim@meyering.net>
parents: 774
diff changeset
211 #ifdef STAT_STATVFS /* SVR4 */
4361996c2116 libitize
Jim Meyering <jim@meyering.net>
parents: 774
diff changeset
212
5
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
213 struct statvfs fsd;
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
214
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
215 if (statvfs (path, &fsd) < 0)
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
216 return -1;
1135
5306f6a320de Do all calculations using uintmax_t.
Jim Meyering <jim@meyering.net>
parents: 793
diff changeset
217
5
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
218 /* f_frsize isn't guaranteed to be supported. */
1201
5f2881266806 (PROPAGATE_ALL_ONES): New macro.
Jim Meyering <jim@meyering.net>
parents: 1135
diff changeset
219 fsp->fsu_blocksize =
5f2881266806 (PROPAGATE_ALL_ONES): New macro.
Jim Meyering <jim@meyering.net>
parents: 1135
diff changeset
220 PROPAGATE_ALL_ONES (fsd.f_frsize ? fsd.f_frsize : fsd.f_bsize);
780
4361996c2116 libitize
Jim Meyering <jim@meyering.net>
parents: 774
diff changeset
221
4361996c2116 libitize
Jim Meyering <jim@meyering.net>
parents: 774
diff changeset
222 #endif /* STAT_STATVFS */
5
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
223
780
4361996c2116 libitize
Jim Meyering <jim@meyering.net>
parents: 774
diff changeset
224 #if !defined(STAT_STATFS2_FS_DATA) && !defined(STAT_READ_FILSYS)
4361996c2116 libitize
Jim Meyering <jim@meyering.net>
parents: 774
diff changeset
225 /* !Ultrix && !SVR2 */
4361996c2116 libitize
Jim Meyering <jim@meyering.net>
parents: 774
diff changeset
226
1201
5f2881266806 (PROPAGATE_ALL_ONES): New macro.
Jim Meyering <jim@meyering.net>
parents: 1135
diff changeset
227 fsp->fsu_blocks = PROPAGATE_ALL_ONES (fsd.f_blocks);
5f2881266806 (PROPAGATE_ALL_ONES): New macro.
Jim Meyering <jim@meyering.net>
parents: 1135
diff changeset
228 fsp->fsu_bfree = PROPAGATE_ALL_ONES (fsd.f_bfree);
5f2881266806 (PROPAGATE_ALL_ONES): New macro.
Jim Meyering <jim@meyering.net>
parents: 1135
diff changeset
229 fsp->fsu_bavail = PROPAGATE_ALL_ONES (fsd.f_bavail);
5f2881266806 (PROPAGATE_ALL_ONES): New macro.
Jim Meyering <jim@meyering.net>
parents: 1135
diff changeset
230 fsp->fsu_files = PROPAGATE_ALL_ONES (fsd.f_files);
5f2881266806 (PROPAGATE_ALL_ONES): New macro.
Jim Meyering <jim@meyering.net>
parents: 1135
diff changeset
231 fsp->fsu_ffree = PROPAGATE_ALL_ONES (fsd.f_ffree);
780
4361996c2116 libitize
Jim Meyering <jim@meyering.net>
parents: 774
diff changeset
232
4361996c2116 libitize
Jim Meyering <jim@meyering.net>
parents: 774
diff changeset
233 #endif /* not STAT_STATFS2_FS_DATA && not STAT_READ_FILSYS */
5
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
234
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
235 return 0;
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
236 }
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
237
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
238 #if defined(_AIX) && defined(_I386)
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
239 /* AIX PS/2 does not supply statfs. */
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
240
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
241 int
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
242 statfs (path, fsb)
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
243 char *path;
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
244 struct statfs *fsb;
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
245 {
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
246 struct stat stats;
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
247 struct dustat fsd;
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
248
426
defe7888e2f3 (statfs): Use stat, not safe_stat.
Jim Meyering <jim@meyering.net>
parents: 385
diff changeset
249 if (stat (path, &stats))
5
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
250 return -1;
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
251 if (dustat (stats.st_dev, 0, &fsd, sizeof (fsd)))
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
252 return -1;
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
253 fsb->f_type = 0;
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
254 fsb->f_bsize = fsd.du_bsize;
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
255 fsb->f_blocks = fsd.du_fsize - fsd.du_isize;
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
256 fsb->f_bfree = fsd.du_tfree;
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
257 fsb->f_bavail = fsd.du_tfree;
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
258 fsb->f_files = (fsd.du_isize - 2) * fsd.du_inopb;
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
259 fsb->f_ffree = fsd.du_tinode;
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
260 fsb->f_fsid.val[0] = fsd.du_site;
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
261 fsb->f_fsid.val[1] = fsd.du_pckno;
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
262 return 0;
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
263 }
780
4361996c2116 libitize
Jim Meyering <jim@meyering.net>
parents: 774
diff changeset
264
5
41c9d08b09d7 Initial revision
Jim Meyering <jim@meyering.net>
parents:
diff changeset
265 #endif /* _AIX && _I386 */